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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1465–1467

Numerical solution of inverse scattering for near-field optics

Gang Bao and Peijun Li  »View Author Affiliations


Optics Letters, Vol. 32, Issue 11, pp. 1465-1467 (2007)
http://dx.doi.org/10.1364/OL.32.001465


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Abstract

A novel regularized recursive linearization method is developed for a two-dimensional inverse medium scattering problem that arises in near-field optics, which reconstructs the scatterer of an inhomogeneous medium located on a substrate from data accessible through photon scanning tunneling microscopy experiments. Based on multiple frequency scattering data, the method starts from the Born approximation corresponding to weak scattering at a low frequency, and each update is obtained by continuation on the wavenumber from solutions of one forward problem and one adjoint problem of the Helmholtz equation.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(100.3190) Image processing : Inverse problems
(290.3200) Scattering : Inverse scattering

ToC Category:
Image Processing

History
Original Manuscript: February 28, 2007
Manuscript Accepted: March 21, 2007
Published: May 2, 2007

Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Gang Bao and Peijun Li, "Numerical solution of inverse scattering for near-field optics," Opt. Lett. 32, 1465-1467 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-11-1465

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